package com.atguigu.gulimall.ware.listener;

import com.atguigu.common.to.mq.OrderTo;
import com.atguigu.common.to.mq.StockLockedTo;
import com.atguigu.gulimall.ware.service.WareSkuService;
import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;

@Service
@Slf4j
@RabbitListener(queues = "stock.release.stock.queue")
public class StockReleaseListener {

    @Autowired
    WareSkuService wareSkuService;

    /**
     * 1、库存自动解锁
     *  下订单成功，库存锁定成功，接下来的业务调用失败，导致订单回滚。
     *      之前锁定的库存就要自动解锁
     * 2、订单失败
     *  锁库存失败
     * @param to
     * @param message
     */
    @RabbitHandler
    public void handleStockLockedRelease(StockLockedTo to, Message message, Channel channel) throws IOException {
        System.out.println("收到解锁库存的消息");
        try {
            wareSkuService.unLockStock(to);
            channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
        } catch (Exception e) {
            channel.basicReject(message.getMessageProperties().getDeliveryTag(),true);
        }
    }


//    @RabbitHandler
//    public void handleOrderCloseRelease(OrderTo orderTo, Message message, Channel channel) throws IOException {
//
//        log.info("******收到订单关闭，准备解锁库存的信息******");
//
//        try {
//            wareSkuService.unlockStock(orderTo);
//            // 手动删除消息
//            channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
//        } catch (Exception e) {
//            // 解锁失败 将消息重新放回队列，让别人消费
//            channel.basicReject(message.getMessageProperties().getDeliveryTag(),true);
//        }
//    }


}
